K.-Y., Orchiston, W., Soonthornthum, B., and Strom, R. (eds.). Proceedings of the Fifth International Conference on Oriental Astronomy. Chiang Mai, University of Chiang Mai Press: 91-96.4. 石云里,
the enzyme activity was 5544.3 U/mL, which was 25.41% higher than of control strain, and the effect was significant. The mutanted strain identified by the test of genetic stability showed favorable stabil